Compact Linear Guides for Medium Load Applications

Bosch Rexroth has expanded its BSCL (Ball Rail System Compact Line) linear guide range for the medium-performance segment. The update includes multi-part linear guides with total lengths of up to 50 m, a new bottom-mount fastening option, and manual clamping elements as accessories. The series is designed for applications in automation, woodworking, electronics manufacturing, battery production, the printing industry and material feed systems.

With this portfolio expansion, Bosch Rexroth addresses growing demand for more flexible linear axes, improved cost efficiency and simplified integration into industrial production systems. The solution is also positioned as a cost-optimized alternative between high-precision guides and conventional shaft guides.

Multi-part linear guides up to 50 m
The updated BSCL series allows up to 15 individual rail sections to be combined into a total length of up to 50 m. This configuration enables more economical implementation of long travel distances in applications such as woodworking, printing machinery and automated feed systems. For custom lengths, the modular concept reduces manufacturing and installation costs.

The linear guides are available in six sizes, from 15 to 45, covering a wide range of load and dynamic requirements within the medium-performance segment. Maximum dynamic load capacity C50 dyn reaches up to 99,800 N, with travel speeds of up to 5 m/s.

New mounting option reduces wear and maintenance
One of the main additions is the option to fasten the guide rails from below. Unlike conventional top-mounted fastening systems, this approach eliminates the need for cover caps on the rail surface. The smooth surface reduces abrasion and wear, contributing to longer service life for the linear guide.

In addition, the design does not require extra assembly work compared with systems using cover strips. This fastening method is particularly suitable for industrial environments with high levels of dust or contamination, including woodworking, packaging and printing applications.

Reduced particle generation and simplified cleaning also support greater process stability in automated production lines.

Manual clamping elements expand application possibilities
For the first time, Bosch Rexroth is offering manual clamping elements for the BSCL series as part of its accessory portfolio. These components are used to secure workpieces during machining or positioning operations, enabling repeatable and precise processing.

Integrating these elements into the same product family simplifies procurement and system integration for machine builders and industrial integrators. This makes it possible to configure complete linear guide systems with compatible accessories from a single technology platform.

Optimized sealing concept and modular compatibility
To improve cost efficiency, Bosch Rexroth has also optimized the sealing concept. According to the company, the seals are designed for extended service life. In addition, rail ends can be cut and machined more easily without complex deburring or chamfering operations.

The BSCL series also supports a modular interchangeable system. Guide carriages with different accuracy and preload classes can be combined with profile rails of the same size from the Rexroth portfolio. This reduces inventory requirements and simplifies maintenance and service operations.

The range includes six carriage variants in flange or slimline versions, as well as N, H and P accuracy classes with three preload levels.

Digital configuration for linear motion systems
Selection and configuration of BSCL linear guides are carried out using the Bosch Rexroth Lineartechnik Selector. The digital platform provides CAD models and technical product data while also enabling direct online ordering.

This approach supports digital engineering workflows and accelerates the design of linear axes for industrial automation applications.

Additional Context: Technical positioning and competitive comparison
Ball rail guides for the medium-performance segment are generally positioned between high-precision profile rail guides and lower-cost shaft guide systems. Comparable technologies are offered by manufacturers including THK, HIWIN, NSK and Schneeberger.

Compared with conventional shaft guides, profile rail guides provide higher rigidity, greater load capacity and more precise motion control. Systems in the medium-performance category focus on balancing load capacity, speed, installation simplicity and total cost.

With a maximum speed of 5 m/s and dynamic load capacity of up to 99,800 N, the BSCL series aligns with the performance range typically required for automation, material handling and machinery manufacturing applications. The ability to create multi-part rails up to 50 m long represents a significant advantage for special-purpose machinery and large-scale industrial installations.

Edited by Sucithra Mani, Induportals editor – adapted by AI.

www.boschrexroth.com